Purpose of intrinsically safe equipment?

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Intrinsic safety is about keeping the energy in electrical circuits so low that a spark or hot surface can’t ignite a flammable atmosphere. By limiting voltage, current, and stored energy and using protective barriers, the equipment won’t produce an ignition source even in fault conditions. That’s why preventing sparks is the correct purpose. Filtering contaminants, changing oxygen levels, or reducing fuel use aren’t about stopping ignition sources in hazardous environments.